code: def cl_kernel_from_file(self, line):
      kernel, build_options = self._load_kernel_and_options(line)
      self._run_kernel(kernel, build_options)
  
file_path: pyopencl/pyopencl/ipython_ext.py
imports: from IPython.core.magic import magics_class, Magics, cell_magic, line_magic
  import pyopencl
label_desc: Use image node_id 4 for calling the PyOpenCLMagics obj's underlying member method code with example usage: obj.cl_kernel_from_file(line) without return types